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Finding the Fourth Proportional to 117,957.88, 176,935.74 and 47,820.52

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Solution

The fourth proportional to 117,957.88, 176,935.74 and 47,820.52 is: 71,730.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,957.88 : 176,935.74 = 47,820.52 : x
  2. Step 2: Convert to fraction form
    117,957.88/176,935.74 = 47,820.52/x
  3. Step 3: Cross multiply
    117,957.88x = 176,935.74 × 47,820.52
  4. Step 4: Simplify right side
    117,957.88x = 8,461,159,093.38
  5. Step 5: Solve for x
    x = 8,461,159,093.38/117,957.88
  6. Step 6: Final answer
    x = 71,730.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.